Manual OEM M3099EX/EH
t1: Less than 500 ms
t2: More than 1 byte
Sequence 1: The host computer send the READ command to the scanner. X'02', '5A'
Sequence 2: ACK for the READ command is sent to the host computer. X'FF'
Sequence 3: Response for the READ command (read complete) is sent to the scanner. X'04', '46', 'E0', '01'
Sequence 4: ACK for the read complete is sent to the scanner.
Note: Expect issuing read complete, the RTS signal is inhibitory taking low level.
Figure 3.13 READ command sequence